function ajax_post(url,param,success_call_back){
	$.ajax({
		type:'POST',
		url:url,
		data:param,
		dataType:datatype,
		success:success_call_back,
		error:function(html){
			alert("提交数据失败，代码:" +html.status+ "，请稍候再试");
		}
	});
}


